FAQ - Effluent & Sewage Treatment Plants

Check out our FAQs pages for answers to commonly asked questions. We hope that you will find the answers to all your questions. Your question still not answered? Either email us at: info@greensolutionskerala.com or phone us at: 0484-3193051.

What are the modern techniques in the sewage treatment?

  1. Membrane bio reactor system (MBR): It is a very compact waste treatment system that combines biological decomposition with membrane separation of the sludge (biomass). This method is very compact by combining the secondary and tertiary treatment in one single step. The other advantages is not so sensitive to input load fluctuations like the Activated Sludge Process and further it produces far less sludge too. However, an MBR system requires skilled operators, though it can be automated to cut out operator error and poor operation.
  2. Decentralised Water Treatment System (DEWATS): A combination of anaerobic treatment (EGSB Reactor ) with aerobic treatment. It is a low cost system and requires no operator intervention unlike the Activated Sludge Process. This process has moving parts and it can even provide methane gas from the anaerobic part of the system which can be used for cooking. Treated water from DEWATS will still require tertiary treatment for re-use/recycle,and this part of the system (tertiary treatment) needs operators.
  3. Reed Bed Sewage Treatment System : An extremely eco friendly system where sewage is allowed into a constructed water body where certain kinds of aquatic plants are planted which absorb atmospheric oxyen and let this out through their roots thereby providing the oxygen to feed the microbes which will clean up the sewage. This system does however require a tertiary treatment system if the treated sewage is required for anything more than gardening. Its major drawback is that it requires a lot of land to f

Other Questions

  1. What is Effluent?
  2. What are the constituents of sewage ?
  3. Why treat waste water ?
  4. How is waste water treated ?
  5. What are the modern techniques in the sewage treatment?
  6. What is the difference between a septic tank and a sewage treatment plant?
  7. How much waste water is generated in a residential and commercail complex?
  8. Who will install the treatment plant?
  9. What about the operating costs for an STP?
  10. What is the payback period?
  11. What is the space requirement?
  12. What are the advantages of Modular design STP ?
  13. Does the Sewage Treatment Plant produce any nasty odours?
  14. Does the plant make a noise?
  15. How long would it take for STP to be fully operational with bacteria?
  16. What is the quality of effluent from these plants?
  17. What is BOD5?
  18. Should I put extra bacteria inducing sachets into the tank on a regular basis?
  19. What is sludge?
  20. What are the problems that can be expected with an installed STP?
  21. Will paper towels, sanitary towels, etc, clog up my system?
  22. Can I use normal household cleaning chemicals?
  23. Does it take septic tank effluent?
  24. I like to do a number of loads of washing on one day, will this overflow the system?
  25. Our hotel is a holiday home, what happens if I turn the STP off ?
  26. What happens if there is a power cut?
  27. How often does the Sewage Treatment Plant need to be serviced?
  28. What is a kind of maintenance required?
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